MODEL ---------------------------------------------------- | SRM-225U |
Length ------------------------------------------------------- | 1793 mm (70.6 in.) |
Width -------------------------------------------------------- | 700 mm (27.5 in.) |
Height ------------------------------------------------------- | 510 mm (20.1 in.) |
Weight (dry) w/Cutter Head------------------------------ | 5.98 kg (13.2 lb.) |
Engine Type ------------------------------------------------ | Air cooled, two-stroke, single cylinder gasoline engine |
Bore---------------------------------------------------------- | 32.2 mm (1.27 in.) |
Stroke-------------------------------------------------------- | 26.0 mm (1.02 in.) |
Displacement ----------------------------------------------- | 21.2 cc (1.29 cu. in.) |
Exhaust ------------------------------------------------------ | Spark arrestor muffler or spark arrestor muffler with catalyst |
Carburetor--------------------------------------------------- | Zama diaphragm w/purge pump |
Ignition System -------------------------------------------- | Flywheel magneto, capacitor discharge ignition type |
Spark Plug -------------------------------------------------- | NGK BPM-8Y (Gap 0.65 mm (0.026 in.) |
Fuel ---------------------------------------------------------- | Mixed (Gasoline and Two-stroke Oil) |
Fuel/Oil Ratio ---------------------------------------------- | 50 : 1 Power Blend X™ ISO-L-EGD (ISO/CD 13738) and |
| J.A.S.O. M345- FC/FD, two-stroke, air-cooled engine oil. |
Gasoline ----------------------------------------------------- | Use 89 Octane unleaded. Do not use fuel containing methyl |
| alcohol, more than 10% ethyl alcohol or 15% MTBE. Do not use |
| alternative fuels such as E-15 or E-85. |
Oil------------------------------------------------------------ | Power Blend X TM Premium Universal 2-Stroke Oil |
Fuel Tank Capacity ---------------------------------------- | 0.44 lit. (14.9 US fl. oz.) |
Starter System ---------------------------------------------- | Automatic Rewind Starter |
Clutch-------------------------------------------------------- | Centrifugal Type |
Vibration Isolated System -------------------------------- | Rubber cushion on engine mount (heavy duty). Rubber grip on |
| front handle. |
Operating Rod---------------------------------------------- | 25.0 mm aluminum Tube |
Drive Shaft-------------------------------------------------- | 6.35 mm (1/4 in.) flexible shaft |
Gear Case Ratio -------------------------------------------- | 1.4:1 Reduction |
Rotating Direction ----------------------------------------- | Counter Clockwise; viewed from top |
Cutter Head ------------------------------------------------- | Nylon line head (2-line) with .095 Crossfire™ Line capacity |
| 7m (24 ft.) |
Handle ------------------------------------------------------- | U-Handle |
Shoulder Harness ------------------------------------------ | Standard |
Idle Speed--------------------------------------------------- | 2,750 - 3,000 RPM |
Clutch Engagement Speed-------------------------------- | 3,800 RPM |
Wide Open Throttle Speed (W.O.T.) | |
with Nylon Line Head------------------------------------- | 8,400 - 10,200 RPM |
Wide Open Throttle Speed (W.O.T.) | |
with Blade-------------------------------------------------- | 10,000 - 11,500 RPM |
